: Select the "erase all flash" option and connect the MiFi to the PC via USB (often without the battery inserted).

Before downloading firmware, ensure your hardware matches these standard specs for the M028T model : : Up to 150 Mbps download. Connectivity : Supports up to 15 WiFi-enabled devices. Battery : 3000mAh capacity (approx. 7 hours of active use). Storage : Micro SD card support up to 32GB.